Question: What was the population of Gelsenkirchen on 12-31-2016?
Paraphrase: What was Gelsenkirchen's population in 2016?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q2765 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2016')) }